Contraindications : התוויות נגד

4.3      Contraindications

CHCs should not be used in the following conditions. Should any of the conditions appear for the first time during the use of NuvaRing, it should be removed immediately.
• Presence or risk of venous thromboembolism (VTE) o Venous thromboembolism - current VTE (on anticoagulants) or history of (e.g.
deep venous thrombosis [DVT] or pulmonary embolism [PE]).
o Known hereditary or acquired predisposition for venous thromboembolism, such as APC resistance (including Factor V Leiden), antithrombin-III-deficiency, protein C deficiency, protein S deficiency.
o Major surgery with prolonged immobilisation (see section 4.4).
o A high risk of venous thromboembolism due to the presence of multiple risk factors (see section 4.4).
• Presence or risk of arterial thromboembolism (ATE) o Arterial thromboembolism - current arterial thromboembolism, history of arterial thromboembolism (e.g. myocardial infarction) or prodromal condition (e.g. angina pectoris).
o Cerebrovascular disease – current stroke, history of stroke or prodromal condition (e.g. transient ischaemic attack, TIA).
o Known hereditary or acquired predisposition for arterial thromboembolism, such as hyperhomocysteinaemia and antiphospholipid antibodies (anticardiolipin- antibodies, lupus anticoagulant).
o History of migraine with focal neurological symptoms.
o A high risk of arterial thromboembolism due to multiple risk factors (see section 4.4) or to the presence of one serious risk factor such as:
• diabetes mellitus with vascular symptoms
• severe hypertension
• severe dyslipoproteinaemia.
•      Pancreatitis or a history thereof if associated with severe hypertriglyceridemia.
•      Presence or history of severe hepatic disease as long as liver function values have not returned to normal.
•      Presence or history of liver tumours (benign or malignant).
•      Known or suspected malignant conditions of the genital organs or the breasts, if sex steroid-influenced.
•      Undiagnosed vaginal bleeding.
•      Known or suspected pregnancy.
•      Hypersensitivity to the active substances or to any of the excipients listed in section 6.1 of NuvaRing.

NuvaRing is contraindicated for concomitant use with medicinal products containing ombitasvir/paritaprevir/ritonavir and dasabuvir or medicinal products containing glecaprevir/pibrentasvir (see sections 4.4 and section 4.5).